Pollution
Trending Questions
Speech on pollution for 2 minutes.
The Taj Mahal is threatened by pollution from
Chlorine
Oxygen
Hydrogen
Sulphur dioxide
How is environmental pollution caused?
30. What do you understand about air pollutants? Give three examples.
- sulphur dioxide
- nitrogen dioxide
- hydrogen chloride
- both a and b
Which of the following are essential for sustaining human life?
Water, food and clothes
Air, water and food
Water, land and clothes
Land, air and clothes
- It reacts with O2
- In inhibits glycolysis
- It reacts with haemoglobin
- It makes nervous system inactive
- CO affects the nerves of the lungs.
- CO affects the diaphragm and intercostal muscles.
- CO reacts with oxygen reducing percentage of O2 in air.
- Haemoglobin combines with CO instead of O2 and the product cannot dissociate.
Air contains 78% nitrogen. So when we inhale we are taking in a lot of nitrogen as well as oxygen right? Is this nitrogen harmful for our body or does it have any use?
- False
- True
- Volcanoes
- Oil refineries
- Factories
different ways in which soil is polluted
_______ is the introduction of contaminants into the natural environment causing adverse changes in it.
Photosynthesis
Polarization
Pollination
Pollution
- Nitrogen
- Oxygen
- Hydrogen
- Argon
20(h) Replace the following with a word or a phrase.
addition of harmful substances to the atmosphere